Perhaps you should try some spelling variations:
"viet trong code snippets" » "viet trung code snippets", "viet thong code snippets", "viet huong code snippets", "viet trong cong snippets", "viet trong co snippets", "viet trong che snippets"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va snippets"
"locating bug core snippets" » "locating bug code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using sat java snippets") or ("viet trong code snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using sat java snippets") OR ("viet trong code snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using sat java snippets ) or ( viet trong code snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using sat java snippets") or ("viet trong code snippets"))) or ("locating bug core snippets"))*.